Datasheet Linear Technology LTC3614 — 数据表

制造商	Linear Technology
系列	LTC3614

4A，4MHz单片同步降压型DC / DC转换器

数据表

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PDF, 808 Kb, 语言: en, 文件上传: Sep 22, 2017, 页数: 30
4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter

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	LTC3614EUDD#PBF	LTC3614EUDD#TRPBF	LTC3614HUDD#PBF	LTC3614HUDD#TRPBF	LTC3614IUDD#PBF	LTC3614IUDD#TRPBF	LTC3614MPUDD#PBF	LTC3614MPUDD#TRPBF
N	1	2	3	4	5	6	7	8
Package	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图	3x5 QFN-24 包装外形图
Package Code	UDD	UDD	UDD	UDD	UDD	UDD	UDD	UDD
Package Index	05-08-1833	05-08-1833	05-08-1833	05-08-1833	05-08-1833	05-08-1833	05-08-1833	05-08-1833
Pin Count	24	24	24	24	24	24	24	24

参数化

Parameters / Models	LTC3614EUDD#PBF	LTC3614EUDD#TRPBF	LTC3614HUDD#PBF	LTC3614HUDD#TRPBF	LTC3614IUDD#PBF	LTC3614IUDD#TRPBF	LTC3614MPUDD#PBF	LTC3614MPUDD#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1467A	DC1467A	DC1467A	DC1467A	DC1467A	DC1467A	DC1467A	DC1467A
Design Tools	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File
Export Control	no	no	no	no	no	no	no	no
Features	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle	Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle
Frequency, kHz	4000	4000	4000	4000	4000	4000	4000	4000
Frequency Adjust Range	Up to 4MHz	Up to 4MHz	Up to 4MHz	Up to 4MHz	Up to 4MHz	Up to 4MHz	Up to 4MHz	Up to 4MHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1
Isupply, mA	0.075	0.075	0.075	0.075	0.075	0.075	0.075	0.075
Max Phases	1	1	1	1	1	1	1	1
Monolithic	yes	yes	yes	yes	yes	yes	yes	yes
Number of Outputs	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-55 to 125	-55 to 125
Output Current, A	4	4	4	4	4	4	4	4
Polyphase	no	no	no	no	no	no	no	no
Switch Current, A	9	9	9	9	9	9	9	9
Synchronous	yes	yes	yes	yes	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vin Min, V	2.25	2.25	2.25	2.25	2.25	2.25	2.25	2.25
Vout Max, V	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vout Maximum	Vin	Vin	Vin	Vin	Vin	Vin	Vin	Vin
Vout Min, V	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Vswitch Max, V	6	6	6	6	6	6	6	6

生态计划

	LTC3614EUDD#PBF	LTC3614EUDD#TRPBF	LTC3614HUDD#PBF	LTC3614HUDD#TRPBF	LTC3614IUDD#PBF	LTC3614IUDD#TRPBF	LTC3614MPUDD#PBF	LTC3614MPUDD#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

模型线

系列: LTC3614 (8)

LTC3614EUDD#PBF LTC3614EUDD#TRPBF LTC3614HUDD#PBF LTC3614HUDD#TRPBF LTC3614IUDD#PBF LTC3614IUDD#TRPBF LTC3614MPUDD#PBF LTC3614MPUDD#TRPBF

制造商分类

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | Micropower Buck Regulators
Power Management > Switching Regulator > DDR Memory/Bus Termination
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators